Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the js_composer domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/wp-includes/functions.php on line 6121

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the salient domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/wp-includes/functions.php on line 6121
Die Casting Altair VAR - V Steels Skip to main content

Die Casting

Altair® VAR

VARed (ESR in vacuum) modified hot work tool steel with excellent toughness.

Chemical Composition

NO ~W. No C Si Cr Mo V
Altair VAR 2340 Mod VAR / 2343 Mod VAR 0,36 0,2 5,0 1,40 0,50

Material Properties

  • Excellent toughness and ductility,
  • Very good thermal checking resistance
  • High hot strength and tempering back resistance.
  • Very good thermal shock resistance.
  • Excellent cleanliness
  • Good weldability.
  • Good machinability.
  • Up to 54 HRc after heat treatment.
  • Recommended working hardness 44-52 HRc
  • Good nitriding and coating ability.

Certificate

Highly certified grade, and many properties’ quality is guaranteed by the certifying supplier company such as toughness, microstructure cleanness and many more.

Applications

  • Preferred for all dies and tools requiring high toughness and ductility
  • Cores and cavities for long run die casting dies.
  • Die casting dies:
    • Complex geometries.
    • Sections subjected to breaking risks.
    • Against to thermal fatigue cracks.
  • Dies and Cores in press forging dies,
  • Warm forging dies.
  • Precision Plastic injections molds,
  • High gloss plastic injection moulds,
  • Molds for piano black surfaces such as headlights lens molds.
  • Molds for abrasive polymers and reinforced resins.
  • Cutting and shearing blades thicker than 10 mm.
  • Cold forging and cold extrusion dies.

Heat Treatment

HEAT TREATMENT TEMPERATURE
Soft Annealing 740-780°C
Stress Relieving 600-650°C
Hardening 1000-1030°C
Tempering 550-650°C

Physical Properties

20°C 400°C 600°C
Elastic Modulus [kN/mm²] 205.000 175.000 145.000
Thermal Expansion Coefficient [10ˉ6/K] 11,8 12,7 12,9
Thermal Conductivity [W/mK] 29 30 33

Mechanical Properties

44 Hrc 48 Hrc 50 Hrc
Yield Strength Rp02 [N/mm²] 1200 1400 1500
Tensile Strength, Rm 1500 1680 1800

Properties

Toughness values

Impact resistance values obtained from samples oil hardened to 44-46 HRc and twice tempered:

Test Bölge Isı Ortalama
KV External zone 20°C 28 (Joule)
KV Core zone 20°C 28 (Joule)
KVW External zone 20°C 380 (Joule)
KVW Core zone 20°C 365 (Joule)

Delivery Condition

Max. 220 HB, Soft Annealed.

Tempering Graph